Company boss Tim Martin, a prominent supporter of Britain leaving the European Union, has threatened to call time on any EU-made beers or coffee.

He claimed that European Commission President Jean Claude Juncker and others risked making EU goods more expensive by blocking a trade deal with the UK, the Mirror reports .

He warned that Wetherspoons could ditch some products it buys from Europe as a result, potentially hitting supplies of some booze and Lavazza coffee – its biggest single seller - from Italy.

Tim Martin

He said: “In the current negotiations, democratically-elected politicians from the UK are dealing with unelected oligarchs from the EU.

"Since the oligarchs are not subject to judgement at the ballot box, their approach is dictated by more sectarian factors – the interests and ideology of EU apparatchiks like them, rather than residents or businesses from EU countries.

“As a result of their current posturing and threats, EU negotiators are inevitably encouraging importers like Wetherspoon to look elsewhere for supplies.

"This process is unlikely to have adverse effects on the UK economy, as companies will be able to switch to suppliers representing the 93% of the world’s population which is not in the EU, but this evolution will eventually be highly damaging to the economy of the EU.

“Wetherspoon is extremely confident that it can switch from EU suppliers, if required, although we would be very reluctant to initiate such actions.

He said Juncker and other EU officials “need to take a wise-up pill in order to avoid causing further economic damage to struggling economies like Greece, Portugal, Spain and Italy.”

Many European sounding lagers sold here are actually brewed under licence in the UK, so may not be affected by the company's decision.

But one product Martin said could be impacted is Swedish cider Kopparberg, which he claimed Wetherspoons sold more of than the whole of Sweden.